package w3;

import java.util.Scanner;

public class Lt3 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		
		System.out.println("输入整数：");
		int a = in.nextInt();
		
		System.out.println("输入长整数：");
		long al = in.nextLong();
		
		System.out.println("输入浮点数：");
		float f = in.nextFloat();
		
		System.out.println("输入双精度浮点数：");
		double d = in.nextDouble();
		
		System.out.println(a);
		System.out.println(al);
		System.out.println(f);
		System.out.println(d);
	}

}
